Short description of Disk Checker 3.3: Disk Checker is a full-featured disk diagnostics and repairs tool with backup ability. It includes two separate methods of disk checking. Disk Checker can read and write disk images compatible with files produced by other disk copy utilities (Diskcopy, WinImage, DiskDupe, etc), including burning CD-ROM image .ISO files. Command line, logging and dedicated item in Windows shell context menu are supported.